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Start Over You searched for: Subjects United States Remove constraint Subjects: United States Dates by Range 1950-1999 Remove constraint Dates by Range: 1950-1999

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191. National Library of Medicine classification: a scheme for the shelf arrangement of books in the field of medicine and its related sciences

193. Educating physicians in the nineteenth century: selected titles bearing on the subject in the collections of the National Library of Medicine

198. The cooperative sharing of audiovisual materials in medical schools: a network approach